Scientists discover ‘smart’ genes

An international team of scientists has identified genes associated with human intelligence

Is intelligence written in the genes?

Scientists-discover-smart-genes

“Smart” genes associated with human intelligence have been identified for the first time. But scientists say they have only scratched the surface, with potentially thousands of genes relating to IQ still to be discovered.

While twin and family studies have long indicated differences in cognitive performance is genetic, the exact genes associated with IQ have remained a mystery.

Results of a large international study of 126,000 people from Australia, Europe and America has identified three genetic variations associated with intelligence.

The team, including Australian researchers, also identified four specific genes that influence cognitive performance. Each gene is associated with a particular pathway in the brain relating to the main cellular mechanism for learning and memory.

See also: Alter Your Genes and Cure any Disease

Humans have about 20,000 genes in their genome. The four genes identified are likely to be among numerous “smart” genes with scientists confident there are thousands of genes relating to IQ.

Queensland Brain Institute geneticist Beben Benyamin said that, individually, each gene identified would have a minuscule impact on overall intelligence scores. But collectively, all genes that influence intelligence make a difference.

The three genetic variations identified in the study as having an impact on intelligence added up to barely two points on the IQ scale.

On that scale, 100 points is the mean IQ score. If a person had each of the three genetic variations identified, it would give them an advantage of only 1.8 points.

“It probably doesn’t mean anything in terms of day-to-day differences,” Dr Benyamin said. “It tells us that there is no such thing as one big gene affecting intelligence.”

The applications of the study findings have broader implications, including for the study of neurodegenerative conditions such as dementia and Alzheimer’s disease, which reduce cognitive performance.

More broadly, intelligence has a bearing on lifestyle.

“A lot of things are positively correlated with IQ, things like income, job performance and health,” Dr Benyamin said.

Participants in the study had their DNA analysed and compared with their educational outcomes.

The findings were published in the science journal PNAS on Tuesday.

See also: US supreme court rules human genes cannot be patented

Source | TheAge

Find us here

Get news from the CSGLOBE in your inbox each weekday morning

The views and opinions expressed in this article are those of the authors/source and do not necessarily reflect the position of CSGLOBE or its staff.

Paid content

The 10 Biggest Dangers Posed By Future Technology

It’s not easy predicting the future of technology. In the fifties it seemed a pretty much foregone conclusion that by 2015 we would all...

Self-Driving Uber Car Kills Pedestrian in Arizona, Where Robots Roam

Arizona officials saw opportunity when Uber and other companies began testing driverless cars a few years ago. Promising to keep oversight light, they invited...

This tiny wearable knows what you’ve been eating, drinking, and smoking

A recent breakthrough in miniaturized sensor technology could end up taking a bite out of personal privacy. Researchers developed a wearable small enough to stick on a...

What's New Today

Georgia House Votes To Allow Citizens To Abolish Police Departments In The State

The Georgia House backed an effort on Friday to dissolve the Glynn County Police Department and any...

Leaked CDC document contradicts Pence claim that U.S. coronavirus cases ‘have stabilized’

Even as Vice President Mike Pence wrote in a Wall Street Journal op-ed published Tuesday that coronavirus...

Five bombshells about Trump from Bolton ‘s book

Excerpts from former national security adviser John Bolton ’s book about his time in the Trump administration...

Don’t Listen to Fox. Here’s What’s Really Going On in Seattle’s Protest Zone.

It seems I live in a city undergoing a “totalitarian takeover” that will lead to “fascist outcomes”...

MOST READ

Putin has Banned Rothschild and His New World Order Banking Cartel Family from Entering Russian Territory

As of recently, Russian president Vladimir Putin took yet another decision for his country. "Under any circumstances", the Rothschild family is banned from entering Russian territory. Along...

What Is Agenda 21? Depopulation of 95% of the World By 2030

Most people are unaware that one of the greatest threats to their freedom may be a United Nations program which plans to depopulate 95%...

Rothschild Bank Now Under Criminal Investigation After Baron David De Rothschild Indictment

Last year, Baron David de Rothschild was indicted by the French government after he was accused of fraud in a scheme that allegedly embezzled...

The 10 Biggest Dangers Posed By Future Technology

It’s not easy predicting the future of technology. In the fifties it seemed a pretty much foregone conclusion that by 2015 we would all...

Homo Martis: A New Species May Soon Dawn

We are on the verge of creating an entirely new species of human. The correct term for this process, the process of creating new species,...

Could a juiced-up particle accelerator destroy the Earth?

One of the world's largest particle colliders is about to undergo upgrades that will make it considerably more powerful than it is now. The...

Europe Wants To Send Humans To The Dark Side Of The Moon

Should we return to the Moon? While Elon Musk, Mars One, and even NASA have their sights set on the Red planet, many think that...

Scrapping this crappy jet could provide the entire country with 23 years of free college

The F-35 Joint Strike Fighter is possibly one of the most useless jets and biggest waste of taxpayer money ever conceived by the US...

Biologist Explains How THC Kills Cancer Cells

Below is a video of Dr. Christina Sanchez, a molecular biologist at Compultense University in Madrid, Spain, clearly explaining how THC (the main psychoactive constitute...

Researchers discover a 2 billion year old Nuclear Reactor in Africa

In 1972, a worker at a nuclear fuel processing plant noticed something suspicious in a routine analysis of uranium obtained from a normal mineral...

The video Coca-Cola DOESN’T want you to see

For 44 years it has been the catchy, iconic advert that encourages us to buy a bottle of Coke. Filmed in 1971, Coca Cola's 'Hilltop'...